Finding the Fourth Proportional to 106,300.02, 159,450.23 and 99,804.63

Step by Step Solution

1. Step 1: Write the proportion equation
   106,300.02 : 159,450.23 = 99,804.63 : x
2. Step 2: Convert to fraction form
   106,300.02/159,450.23 = 99,804.63/x
3. Step 3: Cross multiply
   106,300.02x = 159,450.23 × 99,804.63
4. Step 4: Simplify right side
   106,300.02x = 15,913,870,709.54
5. Step 5: Solve for x
   x = 15,913,870,709.54/106,300.02
6. Step 6: Final answer
   x = 149,707.13